The term GROW LARGE can be solved by the crossword solutions WAX (3 letters) and SWELL (5 letters). WAX is a substance that is solid at room temperature but melts when heated. It is often used to make candles, seal documents, and waterproof items. SWELL is a verb meaning to increase in size or intensity. It is often used to describe something that is growing larger or becoming more intense. Together, these two words can be used to describe something that is growing larger or becoming more intense over time.